PRODUCTS

VISHAY ESTA Heavy Current Capacitors
For Mains and Medium Frequencies

Benefits
Compact construction
Each product designed to customer specifications
Can operate in extreme environmental conditions.
Easy to integrate into overall system concepts

Types of cooling
Natural cooling via air circulation
Forced - air fan cooling
Water cooling

Capacitors For Discharge Lamps
Economical Lighting

Application Discharge lamp capacitors used in parallel or series circuits for reactive power consumption Specifications EN 61048 EN 61049 Ranges 2 to 60 µF, 250 VAC 2 to 60 µF, 250 VAC Benefits With or without FPU design Long operating life Wide Temperature range (from - 40 °C to +100  °C) Approved by ENEC

Low Voltage Power Factor Controllers
Easy control of heavy currents

Application Manual and automatic control of central power factor correction equipment in low voltage plants Specification EN 50178 EN 61010 - 1 EN 50081-2 EN 61000-6-2 CE Certification

Ranges
6 or 12 step versions
Operating Voltage : 230 or 120 V; 50 or 60 Hz
Maximum measuring voltage range : 58 to 690 V, Step less

Benefits
Easy mounting with flat metal springs
Large 4 digit LED display
Constant display of actual power factor and energised steps
User friendly setting of parameters via push buttons on the front plate
Possible locking of keyboard to prevent unauthorised operation
Improved measurement by conducting measuring current and voltage across fundamental frequency filters
No need to differentiate between X/1 A or X/5 A current transformer
Trouble free 4 quadrant operation
Optimised switching performance
Alarm relay
Anti-interference bridging of relay contacts
EMC - certified by independent laboratory

Power Electronic Capacitors, AC / DC Voltage Damping, Snubber, Clamping Commutation, DC - Filter, Energy Storage & Impulse Discharge
Custom Designs for all applications

Application Static converters for : Heavy haul locomotives Light local trains Trolley buses Trams / streetcars Industrial Converters DC Supply Equipment High-voltage testing systems Impulse discharge energy

Specifications
IEC 61071
IEC 61881
Customer Specifications

Ranges
AC upto 24 kV per unit
DC upto 125 kV and 15 kJ per unit
Rectangular and tubular designs for casings

Benefits
All appropriate capacitor technologies available to ensure optimum suitability to specific applications. Highest flexibility in mechanical designs including designs for low quantities

Low Voltage Power Capacitors & Plants with Power Factor Controllers
Efficiency for new energy concepts

Applications Individual and group fixed compensation Controlled central compensation Filter circuits for mains systems with harmonics Specifications Capacitors VDE 0560 / 46 AND 47 EN 60831 / 1 and 2 IEC 60831 / 1 and 2

Cabinets
VDE 0660 / 500
IEC 60439/1

Ranges

Components
230 to 1000 V, 50/60 Hz
2.5 to 56.2 kvar in cylindrical / triangular  aluminium casing up to 500 kvar in welded rectangular steel casing

Systems :
Available in various steps from 12.5 to 900 kvar (and even higher upon request)

Benefits

Low loss,  self healing technology
Compact design for excellent heat dissipation
Biodegradable, vegetable base, non PCB, non toxic filling agent in the oil-impregnated version
Dry Version upon request
Burst proof as confirmed by independent international inspection centers such as UL / ULc
Highest overcurrent and inrush current capabilities
Life expectancy of > 150,000 operating hours with highly consistent capacitance values
Custom designs available

High Voltage Capacitors
Proven solutions for major projects

Applications Shunt capacitors Harmonic filters Series capacitors Capacitors for SVC (Static Var Compensator) Capacitors for HVDC transmission Surge suppressors and RC circuits Specifications VDE 0560 / 4 IEC 60871 IEC 60143 Other standards upon request

Ranges
Individual capacitors from 660 V upto 24 kV upto 800 kvar
Capacitor banks upto 500 kV, any output

Benefits
Voltage and output rating can be matched precisely to customer specifications
Element fuses high operating reliability
Flexible plant design with specially designed racks
Vishay ESTA unbalance protection

ESTAdry® ACMKP Low Voltage Power Factor Correction Capacitors

Key Benefits Compact designs with high outputs up to 30 kvar Vary low losses <0.25 W per kvar Optimised diameter and height for excellent heat dissipation Stacked assembled winding elements reduce the risk of device breakdown Highest over current capability up to 3 times rated current Highest in rush current capability of 300 times rated current Life expectancy of > 130,000 operating hours

Applications
Recommended for power factor correction in low voltage applications <1000 V

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